The stone pillar are artifacts from Beinan culture since Stone Age era around 2,000-3,000 years ago.[citation needed] The site was then classified as 3rd grade national historic monument by the Ministry of the Interior.[1]
Geology
The stones stand along the Wuhe Terrace.[2] The site consists of two adjacent stone pillars standing with 5.75 meters and 3.99 meters of height.[1] It is located in an oval area with 600 meters in length and 400 meters in width.[3]
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